What are some factors that attempt to explain the holocaust

There are 2 psychological experiments that are very interesting that you should look up. The Stanford prison experiment and one about giving electric shocks. These have been used to explain why the German people, who otherwise were not evil did what they did

"There are two types of third-person point of view: omniscient, in which the narrator knows all of the thoughts and feelings of all of the characters in the story, or limited, in which the narrator relates only their own thoughts, feelings, and knowledge about various situations and the other characters."